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Shannon Climate

Shannon Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
26.5 26.7 24.8 21.4 18.3 15.7 14.8 15.4 16.4 18.8 22.2 24.3 20.5
Mean Min (°C)
12.8 13.5 12.5 10.8 9.0 7.6 6.5 6.9 7.2 8.3 10.1 11.2 9.7
Mean Rain (mm)
18.1 18.4 34.6 70.5 130.3 163.7 177.0 150.3 127.4 76.7 50.6 31.0 1041.9
Median Rain (mm)
10.8 10.8 19.4 43.4 116.4 150.6 143.6 150.9 132.8 63.2 45.4 15.5 994.4
Mean Rain Days
7.5 7.1 9.3 14.5 19.2 19.5 22.8 20.2 18.6 17.6 12.8 9.8 154.4

Shannon Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
41.0 39.0 41.0 33.1 29.0 22.0 21.0 24.8 28.0 30.3 38.0 41.0 41.0
Low Max (°C)
15.7 16.3 11.0 13.0 9.6 8.8 9.7 8.0 10.0 11.0 13.0 15.0 8.0
High Min (°C)
21.0 24.0 23.0 19.0 19.0 14.0 13.9 13.8 15.5 16.5 20.0 21.0 24.0
Low Min (°C)
4.0 6.0 3.0 2.0 0.0 -2.0 -1.0 0.0 0.7 1.0 1.0 3.0 -2.0
High Rain (mm)
27.0 31.0 35.0 62.0 80.0 46.0 47.0 36.0 38.0 50.0 32.0 42.6 80.0

Shannon Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
27.9 28.3 26.9 24.6 19.9 16.6 16.0 17.5 17.8 22.1 24.5 26.9 21.1
Low Mn. Max (°C)
24.1 24.9 22.1 18.6 16.4 14.6 13.7 14.0 14.3 16.4 18.7 20.9 19.3
High Mn. Min (°C)
15.4 15.4 14.7 12.1 11.6 9.1 7.7 8.3 8.3 10.3 12.2 13.2 10.4
Low Mn. Min (°C)
11.4 11.9 10.9 8.6 7.5 5.0 5.1 5.3 5.7 6.8 8.4 9.5 9.1
High Rain (mm)
70.0 46.4 100.8 183.0 208.6 269.0 278.8 223.2 203.4 132.6 151.4 83.2 1357.4
Low Rain (mm)
3.2 2.8 1.0 7.6 66.8 70.2 68.6 31.4 2.4 34.0 12.4 5.0 520.6

Shannon Annual Temperatures & Rainfall

SHANNON

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Shannon Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4
≥ 35.0°C
1.7 1.8 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.1 5.3
≥ 30.0°C
7.6 7.7 4.8 0.8 0.0 0.0 0.0 0.0 0.0 0.2 2.4 4.6 24.3
≤ 2.0°C
0.0 0.0 0.0 0.1 0.2 1.1 2.4 1.2 0.9 0.2 0.1 0.0 5.3
≤ 0.0°C
0.0 0.0 0.0 0.0 0.1 0.2 0.5 0.1 0.0 0.0 0.0 0.0 0.7

Shannon 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.0 33.0 30.9 26.0 21.3 18.0 17.0 18.0 19.0 22.0 27.0 30.6 27.0
Low Max
21.0 21.4 19.0 17.0 15.0 13.0 13.0 13.0 13.2 15.0 17.4 19.0 15.0
High Min
16.0 17.0 16.0 14.0 13.0 10.5 9.0 10.0 10.0 11.0 13.0 15.0 14.0
Low Min
9.0 9.3 9.0 7.0 6.0 4.0 3.0 4.0 4.0 5.0 6.0 8.0 5.0

Shannon Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
17 18 19 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
17 18 19 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
17 18 18 18 18 17 17 18 18 18 18 18 17.7
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

SHANNON
Southwest, Western Australia
34.5683°S 116.3367°E 210m AMSL
Commenced 1996
Display Your Local Weather

Weather News

Severe and 'unusual' summer weather forces cancellation of music and Christmas events

22:38 EDT

Major Perth events, including Carols by Candlelight and A Day on the Green, have been cancelled as a severe and unseasonal storm approaches the city.

A week of two halves for Tasmania

16:29 EDT

It will be one of those weeks where Tasmanians will need sunnies and a hat, followed by a jumper and umbrella.

Extreme heatwave heads to outback towns in Queensland, NSW

11:37 EDT

There will be extreme heatwave conditions in south-west Queensland and north-west New South Wales over the next three days, the Bureau of Meteorology (BOM) says, with several outback towns expecting sweltering daytime temperatures of at least 43 degrees Celsius.